diff --git a/zspecial.acs b/zspecial.acs
index 0e28d53..fc74000 100644
--- a/zspecial.acs
+++ b/zspecial.acs
@@ -102,6 +102,7 @@ special
 	 95:FloorAndCeiling_LowerByValue(3),
 	 96:FloorAndCeiling_RaiseByValue(3),
 	 97:Ceiling_LowerAndCrushDist(3,5),
+	 98:Sector_SetTranslucent(3,4),
 
 //	100:Scroll_Texture_Left
 //	101:Scroll_Texture_Right